LICK OBSERVATORY CALENDAR FOR 2004 -ASTRONOMICAL (computed for altitude 1283.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON DATE(PST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) RA DEC 2004 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ 12 18 18 12 18 18 h h % midnight WED SEP 01 18 42 19 34 20 06 20 08 04 07 04 40 05 31 18 46 22 41 02 48 8.0 0.0 0 0120+0717 THU SEP 02 18 41 19 32 20 05 20 33 04 08 04 41 05 32 18 49 22 45 02 53 8.0 0.5 5 0207+1256 FRI SEP 03 18 39 19 30 20 03 21 00 04 09 04 41 05 33 18 51 22 49 02 58 8.1 1.0 11 0255+1755 SAT SEP 04 18 38 19 29 20 01 21 30 04 10 04 42 05 34 18 53 22 52 03 03 8.2 1.5 18 0344+2202 SUN SEP 05 18 36 19 27 19 59 22 04 04 11 04 43 05 34 18 55 22 56 03 08 8.2 2.1 25 0434+2509 MON SEP 06 18 35 19 26 19 58 22 45 04 12 04 44 05 35 18 58 23 00 03 13 8.2 2.8 33 0527+2707 TUE SEP 07 18 33 19 24 19 56 23 33 04 13 04 45 05 36 19 00 23 04 03 18 8.3 3.6 43 0620+2751 WED SEP 08 18 32 19 22 19 54 00 27 04 14 04 46 05 37 19 02 23 08 03 23 8.3 4.6 54 0713+2718 THU SEP 09 18 30 19 21 19 53 01 26 16 15 04 15 04 47 05 38 19 05 23 12 03 28 8.4 5.6 66 0806+2528 FRI SEP 10 18 29 19 19 19 51 02 28 16 53 04 16 04 48 05 39 19 06 23 16 03 33 8.4 6.6 78 0858+2228 SAT SEP 11 18 27 19 17 19 49 03 32 17 26 04 17 04 49 05 39 19 08 23 20 03 38 8.5 7.7 91 0948+1824 SUN SEP 12 18 25 19 16 19 47 04 36 17 55 04 18 04 50 05 40 19 10 23 24 03 43 8.5 8.5 100 1036+1327 MON SEP 13 18 24 19 14 19 46 05 40 18 21 04 19 04 51 05 41 19 13 23 28 03 48 8.6 8.6 100 1123+0749 TUE SEP 14 18 22 19 13 19 44 06 45 18 45 04 20 04 52 05 42 19 15 23 32 03 53 8.6 8.6 100 1210+0145 WED SEP 15 18 21 19 11 19 42 07 51 19 10 04 21 04 53 05 43 19 17 23 36 03 58 8.6 8.6 100 1257-0429 THU SEP 16 18 19 19 09 19 41 19 36 04 22 04 53 05 44 19 20 23 40 04 03 8.7 8.7 100 1346-1039 FRI SEP 17 18 18 19 08 19 39 20 05 04 23 04 54 05 44 19 22 23 44 04 07 8.7 8.3 95 1438-1623 SAT SEP 18 18 16 19 06 19 37 20 38 04 24 04 55 05 45 19 24 23 48 04 12 8.8 7.8 88 1533-2120 SUN SEP 19 18 15 19 05 19 36 21 19 04 25 04 56 05 46 19 27 23 52 04 17 8.8 7.1 80 1632-2507 MON SEP 20 18 13 19 03 19 34 22 09 04 26 04 57 05 47 19 29 23 56 04 22 8.9 6.3 70 1734-2724 TUE SEP 21 18 12 19 01 19 32 23 09 04 27 04 58 05 48 19 31 00 00 04 27 8.9 5.3 59 1838-2754 WED SEP 22 18 10 19 00 19 31 00 17 04 28 04 59 05 49 19 34 00 03 04 32 9.0 4.2 46 1942-2634 THU SEP 23 18 09 18 58 19 29 01 30 04 29 05 00 05 49 19 36 00 07 04 37 9.0 3.0 33 2043-2331 FRI SEP 24 18 07 18 57 19 27 16 14 02 43 04 30 05 01 05 50 19 38 00 11 04 42 9.0 1.8 19 2141-1905 SAT SEP 25 18 05 18 55 19 26 16 48 03 55 04 31 05 01 05 51 19 41 00 15 04 47 9.1 0.6 6 2235-1338 SUN SEP 26 18 04 18 54 19 24 17 17 05 04 04 32 05 02 05 52 19 42 00 19 04 52 9.1 0.0 0 2325-0733 MON SEP 27 18 02 18 52 19 23 17 43 06 10 04 33 05 03 05 53 19 45 00 23 04 57 9.2 0.0 0 0014-0114 TUE SEP 28 18 01 18 50 19 21 18 08 07 16 04 33 05 04 05 54 19 47 00 27 05 01 9.2 0.0 0 0101+0501 WED SEP 29 17 59 18 49 19 19 18 33 04 34 05 05 05 55 19 49 00 31 05 06 9.2 0.0 0 0149+1056 THU SEP 30 17 58 18 47 19 18 18 59 04 35 05 06 05 55 19 52 00 35 05 11 9.3 0.0 0 0237+1616 ONE LINE REFERS TO EVENING DATE LAST QUARTER SEP 06 15:14 UT AND FOLLOWING MORNING. NEW MOON SEP 14 14:30 UT All dates and times are zone PST FIRST QUARTER SEP 21 15:56 UT in upper table (except sid time). FULL MOON SEP 28 13:12 UT